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Set of wires used to transmit signals to control operation of computer units is known as?

1. Address bus
2. Control bus
3. Data bus
4. System bus

Correct answer: Control bus

Solution

Computer buses: Address bus carries memory addresses; Data bus carries actual data; Control bus carries control signals (like read/write, interrupt, clock) that coordinate the operations of CPU and other hardware units. The question describes the control bus.

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